Flashcards in MUSCULOSKELETAL/RHEUM Deck (118)
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1
Mechanism in anterior shoulder dislocation
Posteriorly directed force on distal humerus or forearm during abduction drives humeral head forward and tears anterior shoulder capsule
2
Most common mechanisms in posterior shoulder dislocation
Seizures and electrical shock
3
Unhappy triad
Medial meniscus tear
MCL
ACL
4
Emergent fasciotomy for compartment pressures at what level?
>30 mm Hg or within 20 mm Hg of DBP
5
Distal radius is displaced in what direction in a smith fracture
Anteriorly
6
What is a montage fracture
Dislocation of radial head and ulnar diaphysial fracture -- "nightstick injury"
7
Galeazzi fracture
Distal radio-ulnar joint dislocation and radial diaphyseal fracture
8
Which fx has high risk for compartment syndrome
Tibial
9
Complication of pelvic fx
High risk of major blood loss
10
MOA of teriparatide
Recombinant human parathyroid hormone. Used in pulsatile fashion it stimulates osteoblasts and bone remodeling.
11
Increased bone density caused by impaired osteoclast activity
Osteopetrosis
12
Labs in osteopetrosis
Decreased H&H due to narrowing of marrow cavities
Increased acid phosphatase
Increased CK
13
Labs in Pagets
Increased alk phos and urine hydroxyproline
Normal calcium and phosphorous
14
What kind of lesions caused by pages disease
OsteoLYTIC
15
What kind of lesions in prostate cancer bone mets
OsteoBLASTIC
16
MOA of allopurinol
Inhibits uric acid formation
17
MOA of probenecid
Inhibits kidney uric acid resorption
18
Xray shows chonedrocalcinosis in knee and wrist
PSeudogout!
19
Tx of pseudogout
NSAIDs and colchicine
20
Joint aspiration shows 5000-50000 leukocytes
Inflammatory arthrpathies like RA, gout, or pseudo gout
21
Tx for lyme
Doxy or amoxicillin in early disease
Cefuroxime for advanced disease
22
Bouchard nods
PIP
23
Heberden nodes
DIP joint
24
DIP joints are spared in OA or RA?
RA
25
Flexed DIP plus hyperextended PIP
Swan neck deformity (RA)
26
Flexed PIP
Boutonnniere deformities seen in RA
27
Anticitrulline-containing protein IgM antibodies
RA
28
Anti-Jo-1 antibodies
Polymyositis or dermatomyositis
29
Anti-scl-70, ANA
Scleroerma
30
